| 优质肉种鸡开产初期体重对产蛋性能的影响 |
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| 作者姓名： | ykhuang@sina.com |
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| 作者单位： | 郑州牧业工程高等专科学校,南京农业大学 江苏南京210095,郑州牧业工程高等专科学校,郑州牧业工程高等专科学校,郑州牧业工程高等专科学校,新郑鑫源养殖公司,南京农业大学,河南郑州450011,河南郑州450011,河南郑州450011,河南郑州450011,河南新郑451160,江苏南京210095 |
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| 摘 要： | 根据23周龄体重将300只“惠州麻”黄羽肉种鸡分为大、中、小3组,每组100只,统计其产蛋率、蛋重和种蛋合格率。结果表明;中等体重组在开产后产蛋率上升曲线更稳定,每只鸡所提供的可用种蛋数更多,小体重组的各项指标均表现不佳。
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| 关 键 词： | 优质肉种鸡 初产体重 产蛋率 蛋重 种蛋合格率 |
Affection of Weight in Sexual Mature Period on Egg Production of the Natural Breeders layers |
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| Authors: | S |
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| Institution: | Affection of Weight in Sexual Mature Period on Egg Production of the Natural Breeders layers |
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| Abstract: | 300 "Huizhou ma" natural breeders were divided into 3 groups based on weight in 23-week age: bigger, moderate and smaller. 100 hens are in each group. Egg producing rate, average egg weight and hatchable egg rate were noted and analyzed. The result showed that breeding value of moderate weight group was better than other groups and that of smaller weight group was worse than other groups. |
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| Keywords: | Natural breeder layer Weight in sexual mature period Egg produce rate Average egg weight hatchable egg rate |
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